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Chlorotrimethylsilane → 3-(Benzylthio)-4-hydroxy-6-(4-methoxyphenyl)pyran-2-one

HRID 613054
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HRID 613054 반응식
[CH3:1][O:2][C:3]1[CH:8]=[CH:7][C:6]([C:9](=[O:11])[CH3:10])=[CH:5][CH:4]=1.C[Si]([N-][Si](C)(C)C)(C)C.[Li+].Cl[Si](C)(C)C.[C:27]1([CH2:33][S:34][CH:35]([C:39](O)=[O:40])[C:36](O)=[O:37])[CH:32]=[CH:31][CH:30]=[CH:29][CH:28]=1>C1COCC1>[OH:40][C:39]1[CH:10]=[C:9]([C:6]2[CH:7]=[CH:8][C:3]([O:2][CH3:1])=[CH:4][CH:5]=2)[O:11][C:36](=[O:37])[C:35]=1[S:34][CH2:33][C:27]1[CH:32]=[CH:31][CH:30]=[CH:29][CH:28]=1
참가 물질실험 절차후처리출처 및 근거반응 노트

참가 물질

6

반응물 4

HCID 6397ChlorotrimethylsilaneHCID 74764'-MethoxyacetophenoneHCID 2733832Lithium HexamethyldisilazideHCID 19596125[(Phenylmethyl)thio]propanedioic acid

생성물 1

HCID 546812973-(Benzylthio)-4-hydroxy-6-(4-methoxyphenyl)pyran-2-one

시약·촉매·용매 1

HCID 8028
Tetrahydrofuran
용매

실험 절차

The title compound was prepared by Method A using 4'-methoxyacetophenone (0.797 g, 5.31 mmol), lithium bis(trimethylsilyl)amide (0.977 g, 5.84 mmol), chlorotrimethylsilane (0.741 mL, 5.84 mmol), THF (58 mL), and diethyl ester of [(phenylmethyl)thio]propanedioic acid (1.00 g, 3.54 mmol). m.p. dec. 187° C.; 1H NMR (400 MHz, DMSO-d6) δ3.83 (s, 3 H), 3.98 (s, 2 H), 6.62 (s, 1 H), 7.06 (m, 2 H), 7.22 (m, 5 H), 7.73 (m, 2 H), 11.76 (bs, 1 H).

후처리

  1. custom187° C.

출처 및 근거

ORD 기록
ord-e3edfccbd8a6409db1d316b18bf7f340
출처 데이터셋
uspto-grants-1999_12
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US06005103

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